CN211176193U

CN211176193U - Teaching device for multimedia classroom

Info

Publication number: CN211176193U
Application number: CN201921759565.2U
Authority: CN
Inventors: 刘伟浩
Original assignee: Guangzhou Winway High Technology Co ltd
Current assignee: Guangzhou Winway High Technology Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-08-04
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a teaching device for multimedia classroom relates to multimedia teaching technical field, and it needs the staff to ascend a height the operation to install at the top in classroom to current projecting apparatus, is unfavorable for carrying out the problem of maintaining to the projecting apparatus, now proposes following scheme, including the mounting panel, the welding of the bottom left side of mounting panel has the fixed plate, the front and the back rotation of fixed plate are connected with first splint, the fixed orifices has been seted up along its length direction on the first splint, the inside movable sleeve of fixed orifices is equipped with the movable block, one side that the movable block is close to the fixed plate is connected with the spring, and the spring keeps away from the one side welding of movable block and the interior wall connection of fixed orifices, the movable block has two second splint from one side welding of fixed plate. The utility model relates to a novelty, easy operation conveniently hangs the projecting apparatus main part and puts down, does not need the operation of ascending a height when maintaining to make things convenient for the staff to maintain, labour saving and time saving also is favorable to staff's safety.

Description

Teaching device for multimedia classroom

Technical Field

The utility model relates to a multimedia teaching technical field especially relates to a multimedia classroom is with teaching device.

Background

In the multimedia teaching activity, need use the projecting apparatus to assist the teaching mostly, however the projecting apparatus is generally installed at the top in classroom, and it can be very inconvenient when maintaining, needs the staff to ascend a height with the help of the staircase and operates, is unfavorable for the maintenance to the projecting apparatus from this, and we have provided a teaching device for the multimedia classroom for this reason.

SUMMERY OF THE UTILITY MODEL

The utility model provides a teaching device for multimedia classroom has solved current projecting apparatus and has installed the top in classroom and need the staff to ascend a height the operation, is unfavorable for the problem of maintaining the projecting apparatus.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a teaching device for a multimedia classroom comprises a mounting plate, wherein a fixed plate is welded on the left side of the bottom of the mounting plate, a first clamping plate is rotatably connected on the front surface and the back surface of the fixed plate, a fixed hole is formed in the first clamping plate along the length direction of the first clamping plate, a movable block is movably sleeved in the fixed hole, one side, close to the fixed plate, of the movable block is connected with a spring, one end, far away from the movable block, of the spring is connected with the inner wall of the fixed hole, two second clamping plates are welded on one side, far away from the fixed plate, of the movable block, a pull rod is rotatably connected on one side, far away from the movable block, of the second clamping plates, a projector main body is installed at the bottom end of the pull rod, fixed rods are welded on two sides of the top of the mounting plate, a protective cover fixedly connected, the fixed cover in driving motor's output shaft end is equipped with and connects the line wheel, the outside winding that connects the line wheel has the connection rope, and connects the one end and the first splint fixed connection that the line wheel was kept away from to the rope.

Preferably, the mounting panel has been seted up the mounting hole, the welding of one side that the inner wall of mounting hole is close to the fixed plate has the bracing piece, the bracing piece is kept away from the one end of fixed plate and is installed two first fixed pulleys, and connects the rope and walk around first fixed pulley.

Preferably, the top welding of pull rod has the second fixed pulley, the top welding of dead lever has the roof, and the inside cover of roof is equipped with the bolt.

Preferably, a first through hole is formed in the fixing plate, a first rotating shaft is movably sleeved inside the first through hole, and two ends of the first rotating shaft are welded with the first clamping plate.

Preferably, a second through hole is formed in the pull rod, a second rotating shaft is movably sleeved in the second through hole, and two ends of the second rotating shaft are welded with the second clamping plate.

Preferably, the protection casing passes through bolted connection with the mounting panel, the wiring hole has been seted up to the right side housing of protection casing, and connects the rope and run through the wiring hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an installation fixed plate, first splint, second splint, movable block, spring, pull rod, driving motor, wiring wheel and connection rope isotructure, wherein when driving motor received the connection rope through the wiring wheel, the connection rope can strain first splint and make it keep level, and first splint mentioned the pull rod through the second splint and make it keep vertical, just so can make the installation of projecting apparatus main part fixed, and when carrying out maintenance, driving motor control wiring wheel reversal, the wiring wheel can loosen the connection rope, projecting apparatus main part can drive the second splint to move down under the action of gravity, the second splint then drives the movable block and moves down along the fixed orifices and elongates the spring, so make the projecting apparatus main part can descend lower, thereby make things convenient for the staff to maintain, the device is novel in design, easy operation, conveniently hoist and put down the projecting apparatus main part, the maintenance does not need to be carried out by climbing, thereby being convenient for the maintenance of the working personnel, saving time and labor and being beneficial to the safety of the working personnel.

Drawings

Fig. 1 is a schematic front view of a teaching device for a multimedia classroom according to the present invention;

fig. 2 is a schematic view of the front view structure of the teaching device for multimedia classroom provided by the present invention when the pull rod moves down;

fig. 3 is the utility model provides a teaching device's movable block orthographic view structure sketch map for multimedia classroom.

In the figure: the device comprises a mounting plate 1, a fixing plate 2, a first clamping plate 3, a fixing hole 4, a movable block 5, a spring 6, a second clamping plate 7, a pull rod 8, a projector main body 9, a fixing rod 10, a protective cover 11, a driving motor 12, a wire connecting wheel 13 and a connecting rope 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a teaching device for multimedia classroom comprises a mounting plate 1, a fixed plate 2 is welded on the left side of the bottom of the mounting plate 1, a first clamping plate 3 is rotatably connected on the front and back of the fixed plate 2, a fixed hole 4 is formed in the first clamping plate 3 along the length direction of the first clamping plate, a movable block 5 is movably sleeved in the fixed hole 4, a spring 6 is connected on one side of the movable block 5 close to the fixed plate 2, one end of the spring 6 far away from the movable block 5 is connected with the inner wall of the fixed hole 4, two second clamping plates 7 are welded on one side of the movable block 5 far away from the fixed plate 2, a pull rod 8 is rotatably connected on one side of the second clamping plates 7 far away from the movable block 5, a projector main body 9 is installed at the bottom end of the pull rod 8, fixed rods 10 are welded on two sides of the top of the, the inside cover of protection casing 11 is equipped with driving motor 12 with mounting panel 1 fixed connection, and the terminal fixed cover of output shaft of driving motor 12 is equipped with meets line wheel 13, and the outside winding of meeting line wheel 13 has connection rope 14, and connects the one end and the 3 fixed connection of first splint that line wheel 13 was kept away from to rope 14.

The mounting hole has been seted up on mounting panel 1, the one side welding that the inner wall of mounting hole is close to fixed plate 2 has the bracing piece, the bracing piece is kept away from fixed plate 2 one end and is installed two first fixed pulleys, and connect rope 14 and walk around first fixed pulley, the top welding of pull rod 8 has the second fixed pulley, the top welding of dead lever 10 has the roof, and the inside cover of roof is equipped with the bolt, first through-hole has been seted up on fixed plate 2, the inside movable sleeve of first through-hole is equipped with first pivot, and the both ends and the first splint 3 welding of first pivot, the second through-hole has been seted up to pull rod 8's inside, the inside movable sleeve of second through-hole is equipped with the second pivot, and the both ends and the second splint 7 welding of second pivot, protection casing 11 passes through bolted connection with mounting panel 1, the wiring hole has been.

In the embodiment, firstly, the top plate is fixedly connected with the top wall of a classroom through a bolt, when the driving motor 12 draws up the connecting rope 14 through the wire-receiving wheel 13, the connecting rope 14 can strain the first clamping plate 3 to keep the first clamping plate horizontal, the first clamping plate 3 lifts up the pull rod 8 through the second clamping plate 7 to keep the first clamping plate vertical, so that the projector main body 9 can be fixedly installed, when maintenance is carried out, the driving motor 12 controls the wire-receiving wheel 13 to rotate reversely, the wire-receiving wheel 13 can loosen the connecting rope 14, the projector main body 9 can drive the second clamping plate 7 to move downwards under the action of gravity, the second clamping plate 7 drives the movable block 5 to move downwards along the fixed hole 4 and elongate the spring 6, so that the projector main body 9 can be lowered conveniently, and maintenance is convenient for workers, when the top plate is drawn up, the second fixed pulley contacts the mounting plate 1, the spring 6 pulls the movable block 5 to move leftwards, thereby make second splint 7 receive, make things convenient for projecting apparatus main part 9 to resume normal position work, whole device conveniently lifts by crane projecting apparatus main part 9 and puts down, need not ascend a height the operation when maintaining to make things convenient for the staff to maintain, labour saving and time saving also is favorable to staff's safety.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The teaching device for the multimedia classroom comprises a mounting plate (1) and is characterized in that a fixing plate (2) is welded on the left side of the bottom of the mounting plate (1), a first clamping plate (3) is rotatably connected to the front side and the back side of the fixing plate (2), a fixing hole (4) is formed in the first clamping plate (3) along the length direction of the first clamping plate, a movable block (5) is movably sleeved in the fixing hole (4), a spring (6) is connected to one side, close to the fixing plate (2), of the movable block (5), one end, far away from the movable block (5), of the spring (6) is connected with the inner wall of the fixing hole (4), two second clamping plates (7) are welded on one side, far away from the fixing plate (2), of the second clamping plate (7) is rotatably connected with a pull rod (8), a projector main body (9) is installed at the bottom end of the pull rod (8), the welding of the top both sides of mounting panel (1) has dead lever (10), two one side that dead lever (10) are close to each other is equipped with protection casing (11) with the top fixed connection of mounting panel (1), the inside cover of protection casing (11) is equipped with driving motor (12) with mounting panel (1) fixed connection, the terminal fixed cover of output shaft of driving motor (12) is equipped with and connects line wheel (13), the outside winding that connects line wheel (13) has connection rope (14), and connects rope (14) and keep away from the one end and first splint (3) fixed connection that connect line wheel (13).

2. The teaching device for the multimedia classroom as defined in claim 1, wherein the mounting plate (1) is provided with a mounting hole, a support rod is welded to one side of the inner wall of the mounting hole, which is close to the fixing plate (2), two first fixed pulleys are mounted at one end of the support rod, which is far from the fixing plate (2), and the connecting rope (14) is wound around the first fixed pulleys.

3. A teaching device in a multimedia classroom as claimed in claim 1, wherein the second fixed pulley is welded to the top of the pull rod (8), the top plate is welded to the top of the fixed rod (10), and the bolt is sleeved inside the top plate.

4. The teaching device for the multimedia classroom as defined in claim 1, wherein the fixing plate (2) is formed with a first through hole, a first rotating shaft is movably sleeved inside the first through hole, and two ends of the first rotating shaft are welded to the first clamping plate (3).

5. The teaching device for the multimedia classroom as defined in claim 1, wherein the pull rod (8) is provided with a second through hole therein, a second rotating shaft is movably sleeved in the second through hole, and two ends of the second rotating shaft are welded to the second clamping plate (7).

6. The teaching device for the multimedia classroom as defined in claim 1, wherein the protective cover (11) is connected to the mounting plate (1) by bolts, a wiring hole is formed in a right side cover of the protective cover (11), and the connecting rope (14) passes through the wiring hole.